baber/WOPTO huggingface dataset:
Patent GB-157600-A (GB)
Title: Improvements in tip-up seats
IPC: A47C7/58
Filed: 1919-11-07
Abstract: 157,600. Main, A. Nov. 7, 1919. Folding seats. - In a tip-up seat for theatres, &c., a plate 8 is secured to the seat standard by lugs 9, 10 and is provided with a cam-shaped member 11 formed with curved faces 11<a>, 11<b> and a recessed face 11<c>. A spring pin 3, Fig. 4, is secured to the seat 1 at 6, and works in a slot 4 against the action of a spring or spring member 5, and is adapted to engage the curved faces of the member 11. When the seat is being depressed, the pin 3 engages the face 11<b> at a and rides along this face and, under the action of the spring, moves into the recess 11<c> at c, being assisted in this action by a stop 13. On the pressure being removed, the pin 3 moves into the position d, and maintains the seat in a substantially horizontal position. When the seat is occupied, the pin 3 rides up the recess 11<c> and clears the m,ember 11, taking up the position e. On the vacation of the seat, the seat spring raises the seat into the vertical position, causing the pin 3 to engage the face 11<a> pressing it inwardly at f until it has cleared the face, and then returning it to its normal position at a.
Patent GB-894785-A (GB)
Title: Improvements relating to hoses
IPC: B29D23/18
Filed: 1958-08-27
Abstract: 894,785. Flexible hoses. HOOVER Ltd. Aug. 27, 1958 [Sept. 6, 1957], No. 27511/58. Addition to 844,143. Class 99(2). In a flexible and extensible hose comprising a tube 17 of thin elastomeric material formed with inwardly and outwardly opening helical corrugations, and a resilient helical reinforcing coil constituting a tension spring, whereof one corrugation is unoccupied, whilst the other contains the coil, the reinforcement comprises two separate but interleaved helical coils 10, 11 each wound from an electrically conducting wire surrounded by an insulating sheath.
Patent GB-519376-A (GB)
Title: Improvements in or relating to windows for vehicles and the like
IPC: B60J1/14
Filed: 1938-09-21
Abstract: 519,376. Vehicle windows. WILSON, F. W. Sept. 21, 1938, No. 27534. [Class 20 (iii)] A hinged window F is carried by a pair of slotted studs E rotatably mounted in the upper and lower members of a fixed frame A, the forward half of which-is provided with a flange A<1> to receive resilient packing (such as rubber tubing G) for abutment, by the window in the closed position. In the construction shown, the rear half of the frame is provided with a similarly-packed flange A<2>. The forward edge of the frame may be fitted with a flange having projecting resilient packing to engage the pillar of the front windscreen.
Patent GB-628779-A (GB)
Title: Apparatus for spreading powdered materials over plants
IPC: A01M9/00
Filed: 1947-10-14
Abstract: 628,779. Powder-distributing machines. LAUREAU, G. A. Oct. 14, 1947, No. 27541. Convention date, June 10, 1939. [Class 6(i)] A powder-distributing machine comprises a hopper 1 which feeds powder to a perforated screen 2 which is vibrated by the impacts of pivoted hammers 9 so that the powder descends on to the plants in a cloud, the effect of wind on the cloud being minimized by a shroud 14 suspended above the plants. The hammers are reciprocated by a cam 12 driven from the vehicle wheels. A rotary agitator 4, within the hopper, assists the passage of powder past an adjustable damper 3. The shroud 14 is pivoted at 13 and is suspended by a cable 17 from the hopper 1. An operator's seat is provided.
Patent GB-376110-A (GB)
Title: Lifting tackle, for cranes with crabs
IPC: B66F3/24
Filed: 1931-10-05
Abstract: 376,110. Fluid-pressure-actuated lifting apparatus. NEUENSCHWANDER, F., 450, Kirchbergstrasse, Burgdorf, Berne, Switzerland. Oct. 5, 1931, No. 27598. [Class 78 (ii).] Lifting apparatus, suspended from the crab of a crane, comprises a cylinder 2 slidably mounted in a cylinder 3 and provided with a piston 6 to which is connected a rod 7 supporting the load hook 8. The cylinders are supplied with compressed air by pipes 13, 14, which are connected through a cock 20 and a pipe 18 with an air chamber 22 comprising a fluidtight drum 23 on which is wound a pipe connecting the chamber to a stationary compressor. As the crab travels along its runway, the drum 23 is rotated through a sliding clutch 25 by a countershaft on the crane so as to wind or unwind the pipe. To raise the load, the plug 19 of the cock 20 is rotated clockwise so that air passes from the pipe 18 through the pipe 13 to the space 12 and raises the piston 6. Air above the piston is forced through an exhaust port 32 in a leather sleeve 5 on the cylinder 2, to an exhaust valve 26 comprising a valve cone 28 loaded by a spring 29 which can be adjusted by a nut 31 to regulate the speed of the piston. When the piston has completed its stroke, the plug 19 is rotated further so as to connect the pipes 14, 18. Air enters the space 11 and, pressing on the sleeve 5, raises the cylinder 2 together with the load, the air above the sleeve passing to the valve 26. To lower the load, the plug is rotated so as to connect the pipe 18 with the pipes 13, 14, 15, air then passing to the cylinder head 16 and depressing the piston and cylinder 2. The air below the sleeve and piston is forced back through the pipes 13, 14 to the chamber 22.
Patent GB-1107702-A (GB)
Title: Improvements in or relating to a parking wheel assembly for attachment to a vehicle
IPC: B60S9/215
Filed: 1963-07-29
Abstract: 1,107,702. Parking devices for motor vehicles. D. L. ROBERTS. 9 Oct., 1964 [29 July, 1963] No. 27620/63. Heading-B7D. A wheel assembly for use in parking or manoeuvring a motor vehicle comprises a pair of transversely-spaced pivoted arms 12, a ground-engaging wheel 19 carried at the pivot-remote end of each arm 12, a driving wheel 20 disposed at the other end of at least one arm 12 so as to be engageable with the propeller shaft 8 of the vehicle, drive means 21 connecting each drive wheel 20 to the corresponding ground - engaging wheel 19, and an hydraulic ram 15 connected to each arm 12 to effect pivotting of the arms between a retracted position and an extended position in which the ground-engaging wheels 19 contact the road to lift the rear wheels of the vehicle and the driving wheels 20 engage the propeller shaft 8 to drive the road-engaging wheels 19 and prevent the rear axle of the vehicle from dropping. The arms 12 are pivotally connected to a transverse support member 5 secured beneath the vehicle. The drive wheels 20 may be friction wheels which engage the propeller shaft 8 directly, or they may be friction or gear wheels which engage a friction or gear wheel secured to the shaft. The drive means 21 may be chain or belt drives 22, 25, or may comprise shaft, worm or spur gear reduction drives. In an electro-hydraulic control circuit (Fig. 2. not shown) for actuating the rams (15), hydraulic fluid pumped from a reservoir by a pump (32) through a one-way valve (35) is supplied to or exhausted from the rams (15) through solenoid valves (29, 30) energized from a battery through a control switch (28) which also energizes a solenoid switch (27) supplying a motor (31) driving the pump (32). A limit switch de-energizes the motor (31) when one of the arms (12) reaches either extreme position. The pump (32) may alternatively be driven from the engine or transmission of the vehicle, or an existing pump on the vehicle may be employed.
Patent GB-1533314-A (GB)
Title: Tenter frames
IPC: B65H20/16
Filed: 1976-07-02
Abstract: 1533314 Tentering fabrics E I DU PONT DE NEMOURS & CO 2 July 1976 [3 July 1975] 27663/76 Heading D1S [Also in Division B5] A tenter frame comprising a plurality of tenter clips 11 mounted on an endless chain 12 driven by a sprocket 13, each clip 11 having a clamping surface 14 and a pivotable clamping arm 15 connected to a clip opening arm 16, is provided with a clip opening wheel 17 having an elastomeric peripheral rim 18 with which each arm 16 is brought into contact to effect clip opening. The clips 11 may be formed of cast iron or steel and the rim 18 may be of polyurethane rubber having a hardness of 90 or 95 Shore A. The sprocket 13 and the wheel 17 are rotatable about a common axis and the diameter of the wheel 17 is greater than that of the sprocket 13. In one embodiment, Fig. 3, the rim 18 is fixedly mounted on the periphery of the wheel 17 by a cap screw 19. In another embodiment, Fig. 4, the rim 18 is freely rotatable on the periphery of the wheel 17 and is fitted into a V-shape groove defined by a wheel portion 17' and a bracket 20 secured by a cap screw 21. Alternatively, the wheel 17 may rotate freely about its common axis with the sprocket 13 but independently of this sprocket.
Patent GB-774268-A (GB)
Title: Work-jogging attachment for sewing machines
IPC: D05B21/00
Filed: 1955-09-29
Abstract: 774,268. Sewing machines. SINGER MANUFACTURING CO. Sept. 29, 1955 [Oct. 8, 1954], No. 27708/55. Class 112. The pattern cam of a work jogging attachment for a sewing machine is bodily movable into and out of operative engagement with the mechanism for turning it and the workshifting member. The frame of the attachment comprises a base plate 10 with upstanding ears 11 between which is secured a block 13 slotted at 14 to accommodate the ends of the presser bar 15 to which the block is secured by a screw 16. The screw has a necked portion 18 loosely confined in a slot in a finger 20 on one of the ears 11. The shank 30 of a workfeeding foot 28 has a slot 31 engaging a fulcrum pin 32 on a slide plate 33 provided with a second pin 34 engaging a slot 35 in the base plate 10. A flange 36 on the slide plate is formed with a finger grip 37 by which it can be moved to vary the position of the fulcrum pin and hence the bight of the stitches. The slide plate may be locked in the adjusted position by a clamping screw 39 threaded into an ear 11 and engaged by a slot in the flange 36. Rearwardly of the slot 31 the shank 30 is offset upwardly and provided with a camfollower pin fitted with a roller 41. The shouldered base of the pin is disposed in a transverse slot 42 in an arched bracket 43 secured by screws to the baseplate 10. A ratchet wheel 54 mounted for rotation on a stud 57 secured to the baseplate, has an upstanding hub comprising portions 55, 56 of different diameter. The removable pattern cam 58 has an internal cam surface 64 and a tapered bore engaging the hub and making ring contact with both portions thereof. Diametral lugs on the bore engage notches 62 in the hub, and a hinged lid 71 of a cover 65 for the attachment frame carries spring members 74 which include parts 77 adapted to bear on the cylindrical portion of the cam when the lid is in the closed position and parts 76 adapted to engage the cover to retain the lid so closed. The cover 65 is secured to the block 13 and the baseplate 10 by screws 67, 69. The ratchet wheel is driven step-by-step from the needle-bar by means of a lever 22 carried by a pin 23 journalled in the ears 11. One arm of the lever is forked to embrace a cylindrical portion 24 of the needle clamp 25, and the other arm 45 carries an out-turned lug 46 embraced by fingers 47 of a slide plate 48 confined to longitudinal movement on the baseplate 10 by pins 49 on the plate 10 engaging slots in the plate 48. A spring-loaded pawl 52 pivoted at 51 on the plate 48 engages the teeth on the ratchet wheel. Straight-line stitching may be produced without removing the attachment by means of a lever 83 pivoted at 84 to the slide plate 48 and underlying a projection 85 on the pawl provided with a T-slot 87 engaged by a pin 86 on the lever. In the " throw out" position of the lever shown in dotted lines the pin enters the portion 88 of the T-slot and disengages the pawl. The plate 48 then reciprocates idly.
Patent GB-721068-A (GB)
Title: Improvements relating to the manufacture of piston rings
IPC: C22C33/02
Filed: 1952-11-04
Abstract: A process for making iron piston rings with an addition of graphite and from 1 to 10 per cent of lead, consists in pressing and sintering a body of powder and then further compressing it. Rings with a lamellar pearlitic structure are obtained by briquetting the powder with 5 per cent lead, sintering, compressing at 6 to 7 tons/sq. cm. at 900-1000 DEG  C., and slowly cooling in air or a protective gas. Alternatively, the compression after sintering takes place cold up to 10 tons/sq. cm. and the rings are then heated to 850-900 DEG C. for 1 hour and slowly cooled.  Rings with a granular pearlitic structure are obtained if the last step of heating at 850-900 DEG C. is followed by rapid quenching in oil.  The cold compression in the latter process may be at 15 tons/sq. cm. and, after quenching, the rings may be tempered at 500-650 DEG C.  Specification 573,077 is referred to.
Patent GB-1403725-A (GB)
Title: Parenteral fluid flow controllers
IPC: A61M5/168
Filed: 1972-06-14
Abstract: 1403725 Delivering drops SCI SYSTEMS Inc 14 June 1972 [25 June 1971] 27866/72 Heading B8N [Also in Divisions A5 and F2] Flow controller.-A parenteral fluid flow controller comprises a flow control valve 50 for controlling flow of fluid to a patient, actuating means 70 for opening the valve 50, a drip chamber 20, and a control unit 24 for making the rate of opening of the valve dependent on the drip rate. Signals from a level indicator 30 in a container 14 and drip monitoring electrodes 34 in the drip chamber 20 are processed by the control unit 24 for controlling the actuating means 70 which is an electromagnet which displaces a magnetic member 56 in the valve 50. Valve.-The valve 50 consists of a seating 54 in a housing 52, and the magnetic valve member 56 has a rubber disc (92), Fig. 3 (not shown) which closes an opening defingered by the seating 54. A plastics coated stem (58) of a magnetic material is joined to the disc (92) and may extend axially in either direction. In one embodiment the plastics coating (90) has a frusto-conical shape. In an alternative embodiment the magnetic member is a plastics coated ball (104), Fig. 6 (not shown). The magnetic member 56 is displaced from its occluding position by the electromagnet 70 to open the valve 50. Control circuit.-The control unit 24 has a source 62 of clock pulses which are delivered to a timer circuit 64, an oscillator control circuit 66 and an oscillator 68 which energizes the electromagnet 70. The valve 50 is opened or closed for periods which depend on the clock frequency and the drip rate which is adjusted automatically by the pressure in the drip chamber 20 which in turn depends on the fluid level in the chamber 20 which is controlled by the valve 50. Signals from the electrodes 34 are fed via a drop detecting circuit 76 to a comparator 78 which energizes light-emitting diodes 38, 40 if the drip frequency is about 10% smaller or greater than the desired frequency set by a dial 44 on the source 62. The level detector 30 similarly energizes, via a circuit 74, a light-emitting diode 32 if the fluid level in the container 14 falls too low. A frequency selector 72 permits setting of the oscillator 68 frequency to at least two different values, so that the device can handle drops of different sizes. If no drops are detected by the circuit 76 for a given period, the circuit 76 triggers the timer circuit 64 which permanently disables the oscillator 68 so that the valve 50 is permanently closed. The above circuits are semi-conductor circuits and are described in detail. In an alternative embodiment, the time during which the valve 50 is closed is summed in an integrator (150), Fig. 8 (not shown), and the integrated signal is used to compensate for the flow lost so as to maintain a substantially even flow rate over a long term.
Patent GB-1090605-A (GB)
Title: Gunn effect device
IPC: H03B9/12
Filed: 1966-06-23
Abstract: 1,090,605. Semi-conductor devices. INTERNATIONAL BUSINESS MACHINES CORPORATION. June 23, 1966 [July 19, 1965], No. 28029/66. Heading H1K. The electrodes 14 of a Gunn effect diode 10 are such that the direct distance between them through the semi-conductor body 12 of the diode is less than the distance between them over the body surface. This arrangement improves the reproducibility in manufacture and reduces the tendency to failure in use as compared with the original Gunn diodes, whose electrodes were co-extensive with the lateral dimensions of the semi-conductor body. Fig. 1 depicts such a diode mounted between spring-loaded terminals in the form of rods with enlarged heads 18, 20 which function as heat sinks. These may, but need not, be bondede.g. soldered-to the electrodes 14. Figs. 3 to 6 (not shown) illustrate a preferred method of providing the electrodes 14. A wafer of GaAs or InP has a plurality of ohmic contacts, e.g. of Au-Ni-Ge alloy, deposited through a suitable mask first on one face and then on the other. These contacts are alloyed in by a subsequent heat treatment and the wafer is then scribed to mark out areas each of which contain one diode. The wafer is separated into individual diodes by cleavage along the scribe lines, using an ultrasonic technique.
Patent GB-265672-A (GB)
Title: Improvements in the electrolytic oxidation of organic compounds
IPC: C25B3/23
Filed: 1925-11-07
Abstract: 265,672. Field, C. H. Nov. 7, 1925. Organic compounds, obtaining. - A catalyticagent for use in the electrolytic oxidation of organic compounds, particularly of anthracene to anthraquinone, is prepared from cerite ore from Riddarhajtten, Sweden. The action is stated to depend on the presence of a metal of the rare earth class associated with didymium but not identical therewith. The ore is stirred with boiling concentrated sulphuric acid until a paste is formed and the temperature is maintained at 200 C. for 8 hours. After cooling for 24 hours, the mass is stirred into 10 times its weight of cold water. The clear solution is decanted and precipitated with oxalic acid or caustic alkali. When oxalic acid has been used the precipitate is heated until carbon dioxide is removed. When caustic alkali has been used the precipitate is washed and dried. Electrolysis is carried out in a lead-lined cell provided with a steam coil round the sides. The electrodes consist of lead plates 3¢ ft. by 2 ft., and a diaphragm of asbestos cloth or earthenware reaching nearly to the bottom of the cell is placed over the negative electrode. A stirrer is provided on the positive side of the diaphragm. In an example, the cell is charged with 2-3¢ tons of 50-70 per cent sulphuric acid to which is added 5 per cent by weight of the catalyst and 2-3¢ cwts. of anthracene. The liquid is electrolysed at 100 C. with a current of 300 amps at 4-7 volts for 2 hours. Toluene, m-xylene, and naphthalene may also be oxidizedby the process.
Patent GB-680964-A (GB)
Title: Improvements in and relating to electrical discharge devices
IPC: H01J17/04
Filed: 1950-11-16
Abstract: 680,964. Discharge apparatus. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 16, 1950 [Nov. 23, 1949], No. 28051/50. Class 39(i) [Also in Group XL(b)] An electrical discharge device for use in a coaxial line is formed by reducing the diameters of the inner and outer conductors simultaneoutly, but not to the same extent to form a discharge gap between them, the outer electrode comprising a member 5 of double cone shape whose end faces are at right angles to the axis of the electrode and abut the ends of outer conductors of adjacent sections, the tapering of the outer and inner electrodes 5 and 6 being such that the ratio of their radii is constant at any point along their axis so that the impedance of the transmission line is not varied. As shown a receiver is joined by a line 2 containing such discharge devices to a line 1 connecting a transmitter and an aerial. Each unit may be evacuated through a tubulation 11 and an ionisable gas then introduced. Holes 13 permit this gas to enter the space between the electrodes. A keep alive electrode 15 may also be provided. Specifications 624,421 and 654,974 are referred to.
Patent GB-226339-A (GB)
Title: Improvements in or relating to the bleaching and dyeing of yarns
IPC: D06B5/16
Filed: 1923-11-10
Abstract: 226,339. Cunningham, M., and Fine Cotton Spinners' & Doublers' Association, Ltd. Nov. 10, 1923. Circulating or passing fluids through materials on perforated tubes &c.-A skewer or bobbin for use in dyeing, bleaching or otherwise treating yarns and onto which yarn may be. wound directly is made of ebonite, is screwed at 4 for attachment to the liquor supply and is provided with a bore 1 communicating by lateral holes 2 with longitudinal grooves 3. The material to be treated may be immersed in the liquor, the perforations in the skewers facilitating the penetration of the liquor.
Patent GB-1164970-A (GB)
Title: Steroid 3-Oximes and the Preparation thereof
IPC: C07J41/00
Filed: 1968-06-14
Abstract: 1,164,970. Steroid 3-oximes. UPJOHN CO. 14 June, 1968 [31 July, 1967], No. 28391/68. Heading C2U. Novel steroids of the formula (wherein the 1(2)-, 4(5)- and 6(7)-carbon atom linkages are single or double bonds; X and Y are CH 2 , CH(OH) or CO; Z, when present, is H or OH; R is H, CH 3  or F; R<SP>1</SP> is H or C 1-2  alkyl; R<SP>11</SP> is H, or, when Y is not CH 2 , can also be CH 3 ) are prepared from the corresponding 3-ketones and hydroxylamine or a mineral acid addition salt thereof. Mixtures of syn- and anti-isomers obtained in this process are separated by known procedures. 5α, 11# - Dihydroxy - 6# - methyl - 5α pregn - cio - 17(20) - en - 3 - one 21 - oic acid methyl ester is prepared by hydrolysing the corresponding 3-ketal, prepared in turn by reduction of the 11-ketone. 6α - Methyl - 3,11 - diketo - 1,4,17(20) - cis - pregnatrien-21-oic acid methyl ester is prepared by dehydrogenation of the 1(2)-saturated compound using DDQ. The use of chloranil yields 6α - methyl - 3,11 - diketo - 4,6,17(20) - cis-pregnatrien-21 -oic acid methyl ester or the corresponding 1,4,6,17(20)-pregnatetraene, also obtainable from the 1,4,17(20)-pregnatriene. 3,11 - Diketo - 4,17(20) - cis - pregnadien - 21 - oic acid is prepared by hydrolysis of the methyl ester. The 3-oximino-steroids of the invention, which are stated to possess anti-inflammatory, anti-viral, anti-microbial and anti-hormonal activities, may be made up into pharmaceutical compositions with suitable carriers.
Patent GB-205997-A (GB)
Title: Improvements relating to steam turbines
IPC: F01D9/06
Filed: 1922-10-19
Abstract: 205,997. Baumann, K., and Metropolitan-Vickers Electrical Co., Ltd. Oct. 19, 1922. Expansion joints.-Injurious end-thrust arising from steam pressure in a flexible expansion piece 6 connecting steam pipes 4 is taken up by one or more tension members 7, which unite relatively rigid parts of the turbine installation at opposite ends of the expansion piece. These tension members, which allow equal expansion or contraction of the bearing pedestal 3 and the steam pipes, may be protected from radiation, or may be maintained at a suitable temperature by circulating oil, for example, from the bearing carried by the pedestal.